1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
#!/usr/bin/perl -w
# Copyright (C) 2002 MySQL AB
# Use is subject to license terms
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA
#
# This is a test with uses many processes to test a MySQL server.
#
$opt_loop_count=10000; # Change this to make test harder/easier
##################### Standard benchmark inits ##############################
use DBI;
use Getopt::Long;
use Benchmark;
package main;
$opt_skip_create=$opt_skip_in=$opt_verbose=$opt_fast_insert=
$opt_lock_tables=$opt_debug=$opt_skip_delete=$opt_fast=$opt_force=0;
$opt_threads=2;
$opt_host=$opt_user=$opt_password=""; $opt_db="test";
GetOptions("host=s","db=s","user=s","password=s","loop-count=i","skip-create","skip-in","skip-delete","verbose","fast-insert","lock-tables","debug","fast","force","threads=i") || die "Aborted";
$opt_verbose=$opt_debug=$opt_lock_tables=$opt_fast_insert=$opt_fast=$opt_skip_in=$opt_force=undef; # Ignore warnings from these
print "Testing truncate from $opt_threads multiple connections $opt_loop_count times\n";
@testtables = ( ["bench_f31", "type=heap"]);
####
#### Start timeing and start test
####
$start_time=new Benchmark;
$dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host",
$opt_user, $opt_password,
{ PrintError => 0}) || die $DBI::errstr;
if (!$opt_skip_create)
{
my $table_def;
foreach $table_def (@testtables)
{
my ($table,$extra)= ($table_def->[0], $table_def->[1]);
print "Creating table $table in database $opt_db\n";
$dbh->do("drop table if exists $table");
$dbh->do("create table $table".
" (id int(6) not null,".
" info varchar(32)," .
" marker timestamp," .
" flag int not null," .
" primary key(id)) $extra")
or die $DBI::errstr;
}
}
$dbh->disconnect; $dbh=0; # Close handler
$|= 1; # Autoflush
####
#### Start the tests
####
for ($i=0 ; $i < $opt_threads ; $i ++)
{
test_truncate() if (($pid=fork()) == 0); $work{$pid}="truncate";
}
print "Started $opt_threads threads\n";
$errors=0;
$running_insert_threads=$opt_threads;
while (($pid=wait()) != -1)
{
$ret=$?/256;
print "thread '" . $work{$pid} . "' finished with exit code $ret\n";
--$running_insert_threads;
$errors++ if ($ret != 0);
}
#
# Cleanup
#
if (!$opt_skip_delete && !$errors)
{
my $table_def;
$dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host",
$opt_user, $opt_password,
{ PrintError => 0}) || die $DBI::errstr;
foreach $table_def (@testtables)
{
$dbh->do("drop table " . $table_def->[0]);
}
$dbh->disconnect; $dbh=0; # Close handler
}
print ($errors ? "Test failed\n" :"Test ok\n");
$end_time=new Benchmark;
print "Total time: " .
timestr(timediff($end_time, $start_time),"noc") . "\n";
exit(0);
#
# Insert records in the table
#
sub test_truncate
{
my ($dbh,$i,$j,$count,$table_def,$table);
$dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host",
$opt_user, $opt_password,
{ PrintError => 0}) || die $DBI::errstr;
for ($count=0; $count < $opt_loop_count ; $count++)
{
my ($table)= ($testtables[0]->[0]);
$dbh->do("truncate table $table") || die "Got error on truncate: $DBI::errstr\n";
}
$dbh->disconnect; $dbh=0;
print "Test_truncate: Run $count times\n";
exit(0);
}
|
